7x-25=20+2x

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Solution for 7x-25=20+2x equation: 



7x-25=20+2x

We move all terms to the left:

7x-25-(20+2x)=0

We add all the numbers together, and all the variables

7x-(2x+20)-25=0

We get rid of parentheses

7x-2x-20-25=0

We add all the numbers together, and all the variables

5x-45=0

We move all terms containing x to the left, all other terms to the right

5x=45

x=45/5

x=9

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